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Fig. 3 | BMC Chemistry

Fig. 3

From: Deep eutectic solvent-based manganese dioxide nanosheets composites for determination of DNA by a colorimetric method

Fig. 3

UV absorption spectra of DES/MnO2 (line 1), TMB (line 2), DES/MnO2 + TMB (line 3) and inset show the corresponding solution color (a); the absorbance intensity of DES/MnO2-TMB system at different concentrations of DES/MnO2 and inset shows the corresponding visual changes in color (b). All the error bars were calculated by three independent experiment (n = 3)

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